Pillow



FIG. 1 is a perspective view of a pillow, showing my new design in use, with a parent and child shown in broken lines which form no part of the claimed design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a bottom view thereof.

The left side view is a mirror image of the right side view and the rear view is a mirror image of the front view. 

The ornamental design for a pillow, as shown and described. 